EP4293280C0 - Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage - Google Patents

Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage

Info

Publication number
EP4293280C0
EP4293280C0 EP23173057.3A EP23173057A EP4293280C0 EP 4293280 C0 EP4293280 C0 EP 4293280C0 EP 23173057 A EP23173057 A EP 23173057A EP 4293280 C0 EP4293280 C0 EP 4293280C0
Authority
EP
European Patent Office
Prior art keywords
manufacturing
design
display device
optical waveguide
diffractive optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23173057.3A
Other languages
German (de)
English (en)
Other versions
EP4293280A1 (fr
EP4293280B1 (fr
Inventor
Zhentao Fan
Xingming Zhao
Kehan Tian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Uphoton Optoelectronics Technology Co Ltd
Original Assignee
Jiaxing Uphoton Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaxing Uphoton Optoelectronics Technology Co Ltd filed Critical Jiaxing Uphoton Optoelectronics Technology Co Ltd
Publication of EP4293280A1 publication Critical patent/EP4293280A1/fr
Application granted granted Critical
Publication of EP4293280B1 publication Critical patent/EP4293280B1/fr
Publication of EP4293280C0 publication Critical patent/EP4293280C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1847—Manufacturing methods
    • G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G02B2027/0125—Field-of-view increase by wavefront division
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Integrated Circuits (AREA)
EP23173057.3A 2022-05-13 2023-05-12 Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage Active EP4293280B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210522591.3A CN114994825B (zh) 2022-05-13 2022-05-13 衍射光波导及其设计方法和形成方法、以及显示设备

Publications (3)

Publication Number Publication Date
EP4293280A1 EP4293280A1 (fr) 2023-12-20
EP4293280B1 EP4293280B1 (fr) 2025-08-20
EP4293280C0 true EP4293280C0 (fr) 2025-08-20

Family

ID=83027899

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23173057.3A Active EP4293280B1 (fr) 2022-05-13 2023-05-12 Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage

Country Status (3)

Country Link
US (1) US20230367055A1 (fr)
EP (1) EP4293280B1 (fr)
CN (1) CN114994825B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117761823A (zh) * 2022-09-19 2024-03-26 歌尔光学科技有限公司 光波导器件及头戴显示设备
CN115542451A (zh) * 2022-10-10 2022-12-30 成都理想境界科技有限公司 一种波导及近眼显示模组
CN115421234B (zh) 2022-11-04 2023-04-07 北京驭光科技发展有限公司 衍射光波导及其光栅结构以及显示设备
CN116449474A (zh) * 2023-04-23 2023-07-18 烟台艾睿光电科技有限公司 二维光栅、光波导结构、显示设备、二维光栅加工方法
CN116381854A (zh) * 2023-04-28 2023-07-04 成都理想境界科技有限公司 一种光波导、设计方法及近眼显示模组
CN116381835A (zh) * 2023-04-28 2023-07-04 成都理想境界科技有限公司 一种二维光栅、波导及近眼显示模组
CN117805963B (zh) * 2023-12-12 2025-05-27 驭光科技(北京)有限公司 衍射光波导、显示设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201705160D0 (en) * 2017-03-30 2017-05-17 Wave Optics Ltd Waveguide for an augmented reality or virtual reality display
CN113325507A (zh) * 2018-12-26 2021-08-31 上海鲲游光电科技有限公司 一种基于二维光栅的平面光波导
GB201903708D0 (en) * 2019-03-19 2019-05-01 Wave Optics Ltd Improved angular uniformity waveguide for augmented or virtual reality
CN113325506A (zh) * 2020-02-28 2021-08-31 苏州苏大维格科技集团股份有限公司 一种全息光波导镜片及增强现实显示装置
KR20230060506A (ko) * 2020-09-01 2023-05-04 스냅 인코포레이티드 증강 현실 또는 가상 현실 디스플레이용 회절 격자 설계 방법 및 증강 현실 또는 가상 현실 디스플레이용 회절 격자
CN114137655B (zh) * 2020-09-04 2022-12-23 宁波舜宇光电信息有限公司 用于ar设备的光波导装置及其制造方法和ar设备
CN113156581B (zh) * 2021-05-27 2025-12-09 Oppo广东移动通信有限公司 衍射波导装置、近眼显示设备及制造方法

Also Published As

Publication number Publication date
US20230367055A1 (en) 2023-11-16
CN114994825B (zh) 2023-03-10
EP4293280A1 (fr) 2023-12-20
EP4293280B1 (fr) 2025-08-20
CN114994825A (zh) 2022-09-02

Similar Documents

Publication Publication Date Title
EP4293280C0 (fr) Guide d'ondes optique diffractif, procédé de conception et procédé de formation de celui-ci, et dispositif d'affichage
EP4300165C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage
EP4343393C0 (fr) Guide d'ondes optique diffractif et appareil d'affichage le comprenant
EP4310576C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage
EP4575610A4 (fr) Structure de guide d'ondes optique et son procédé de fabrication, ensemble optique et dispositif d'affichage proche de l'oeil
EP4254025C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage
EP4258027A4 (fr) Guide d'ondes optique et dispositif d'affichage proche de l'oeil
EP4261596C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage
EP3842847C0 (fr) Structure de câble optique et procédé de préparation associé
EP4235278A4 (fr) Dispositif de guide d'ondes optique et son procédé de fabrication, et modulateur électro-optique
EP4293410C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage le comprenant
EP4418031C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage
EP4317095A4 (fr) Verre optique, élément optique et instrument optique
EP4495669A4 (fr) Stratifié optique, partie de lentille et procédé d'affichage
EP3922612A4 (fr) Fibre optique et procédé de fabrication de fibre optique
EP4130851C0 (fr) Appareil optique et dispositif d'affichage tête haute
EP4283689A4 (fr) Module d'affichage et son procédé de fabrication
EP4067950C0 (fr) Guide optique et procede de fabrication correspondant
EP3961940C0 (fr) Modulateurs optiques calibrés à fréquence intermédiaire et méthode
EP4212947C0 (fr) Guide d'ondes optique diffractif et dispositif d'affichage
EP3919948C0 (fr) Film guide lumineux et son procédé de production, et dispositif guide lumineux
EP4421544A4 (fr) Dispositif informatique optique et procédé de fabrication
EP3858796A4 (fr) Verre optique de fluorophosphate et préforme, élément et instrument optiques
EP4224054A4 (fr) Élément optique, son procédé de fabrication et terminal de répartition lumineuse
EP4240594C0 (fr) Dispositifs optiques et leurs procédés de fabrication

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230512

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: G02B 27/01 20060101ALN20231122BHEP

Ipc: G02B 27/00 20060101ALI20231122BHEP

Ipc: G02B 5/18 20060101ALI20231122BHEP

Ipc: F21V 8/00 20060101AFI20231122BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: G02B 27/01 20060101ALN20250521BHEP

Ipc: G02B 27/00 20060101ALI20250521BHEP

Ipc: G02B 5/18 20060101ALI20250521BHEP

Ipc: F21V 8/00 20060101AFI20250521BHEP

INTG Intention to grant announced

Effective date: 20250610

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

U01 Request for unitary effect filed

Effective date: 20250820

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI

Effective date: 20250825

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251220

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250820

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250820

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20251120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250820

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250820

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250820

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250820